To calculate a centimeter value to the corresponding value in inches, just multiply the quantity in centimeters by 0.393701 (the conversion factor). Centimeters to inches formulae A lot of businesses and private individuals use the number 10 envelope size to send folded letter paper. Some businesses do not want to fold a letter-size document so they will use catalog envelopes. centimeters = inches / 0.393701 Using our inches to centimeters converter you can get answers to questions like: To calculate an inch value to the corresponding value in centimeters, just multiply the quantity in inches by 2.54 (the conversion factor). Inches to centimeters formulae

The centimeter (symbol: cm) is a unit of length in the metric system. It is also the base unit in the centimeter-gram-second system of units. The centimeter practical unit of length for many everyday measurements. A centimeter is equal to 0.01 (or 1E-2) meter. Centimeters to inches formula and conversion factor People use booklet envelopes to send brochures, booklets, photographs, statements, and so on. There are different sizes of booklet envelopes and a lot of businesses use a large size so that they can send documents without the need to fold them. Scientific notion, which is also referred to as "Standard Form" or "Exponential Form", represents a numerical value that is recorded in the following form: An inch (symbol: in) is a unit of length. It is defined as 1⁄12 of a foot, also is 1⁄36 of a yard. Though traditional standards for the exact length of an inch have varied, it is equal to exactly 25.4 mm. The inch is a popularly used customary unit of length in the United States, Canada, and the United Kingdom. Centimeters to inches formula and conversion factor When scientific notation is applied, a large number is transformed into a corresponding decimal number that is between 1 and 10, multiplied by 10 raised to a given positive power, and small numbers are transformed into a corresponding decimal number between 1 and 10, multiplied by 10 raised to a given negative power.An inch (symbol: in) is a unit of length. It is defined as 1⁄12 of a foot, also is 1⁄36 of a yard. Though traditional standards for the exact length of an inch have varied, it is equal to exactly 25.4 mm. The inch is a popularly used customary unit of length in the United States, Canada, and the United Kingdom. Definition of centimeter

Another popular envelope is the catalog envelope. These are popular with businesses that send out catalogs, reports, insurance policies, magazines, etc. Job hunters use catalog envelopes to send their resumes to companies. Users tend to go with a larger size catalog envelope so that they do not have to fold the materials inside it.

While I agree there really is some logic behind the US paper sizes I suggest the gentleman taking umbrage be a little more sensitive to the US approach to ignoring international standards in this and many related areas.